"From the Ted Talk by Penelope Boston: There might just be life on Mars"

Unscramble the Blue Letters

So, with all of these things put together, I think that the chances of life are much greater than I would've ever toughht. I think that the chcane of life having arisen on Mars, sometime in its past, is maybe one in four to maybe even half and half. So this is a very bold statement. I think it's there, and I think we need to go look for it, and I think it's underground. So the game's aofot, and this is the game that we play in astro-biology. How do you try to get a handle on esrtaitrexterral life? How do you plan to look for it? How do you know it when you find it? Because if it's big and obvious, we would've already found it — it would've already bitten us on the foot, and it hasn't.

Open Cloze

So, with all of these things put together, I think that the chances of life are much greater than I would've ever _______. I think that the ______ of life having arisen on Mars, sometime in its past, is maybe one in four to maybe even half and half. So this is a very bold statement. I think it's there, and I think we need to go look for it, and I think it's underground. So the game's _____, and this is the game that we play in astro-biology. How do you try to get a handle on ________________ life? How do you plan to look for it? How do you know it when you find it? Because if it's big and obvious, we would've already found it — it would've already bitten us on the foot, and it hasn't.

Solution

extraterrestrial

afoot

chance

thought

Original Text

So, with all of these things put together, I think that the chances of life are much greater than I would've ever thought. I think that the chance of life having arisen on Mars, sometime in its past, is maybe one in four to maybe even half and half. So this is a very bold statement. I think it's there, and I think we need to go look for it, and I think it's underground. So the game's afoot, and this is the game that we play in astro-biology. How do you try to get a handle on extraterrestrial life? How do you plan to look for it? How do you know it when you find it? Because if it's big and obvious, we would've already found it — it would've already bitten us on the foot, and it hasn't.